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Finding the Fourth Proportional to 21,504.73, 32,244.80 and 8,341.74

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Solution

The fourth proportional to 21,504.73, 32,244.80 and 8,341.74 is: 12,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.73 : 32,244.80 = 8,341.74 : x
  2. Step 2: Convert to fraction form
    21,504.73/32,244.80 = 8,341.74/x
  3. Step 3: Cross multiply
    21,504.73x = 32,244.80 × 8,341.74
  4. Step 4: Simplify right side
    21,504.73x = 268,977,737.95
  5. Step 5: Solve for x
    x = 268,977,737.95/21,504.73
  6. Step 6: Final answer
    x = 12,507.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.